Severe Thunderstorms in the Northern Plains; Heavy Rainfall in the Mississippi and Tennessee Valleys; Critical Fire Weather in the Southwest

Severe thunderstorms, with a significant wind threat, will continue through tonight across the northern Plains. Wind gusts of 60 to 100 mph are possible. Heavy rainfall will continue through tonight from Oklahoma into Missouri, then pushing into the Tennessee Valley on Monday. Critical fire weather conditions continue in the Southwest through Tuesday. Read More >

Normals and Records

First Freeze

First Freeze Normals
	Normal First Autumn 32° or Lower	First Freeze Date Last Year (2021)
Chicago (O'Hare)	October 19	November 2
Rockford	October 13	October 23

Normals are based on 1991-2020 data.

First Freeze Records
	Earliest First Autumn 32° or Lower	Latest First Autumn 32° or Lower
Chicago	September 22, 1995 (32°)	November 24, 1931 (30°)
Rockford	September 13, 1975 (32°)	November 11, 2016 (32°)

History of the Chicago and Rockford Weather Observation Sites.

Illinois Normal and Record First Freezes | Indiana Normal and Record First Freezes

This Autumn's Temperatures

Text Listing of Local Area Observed Low Temperatures

Maps of Midwest Recently Observed Low Temperatures

First Freeze Dates of this Autumn

Other Information

LOT RSS Feed

Severe Thunderstorms in the Northern Plains; Heavy Rainfall in the Mississippi and Tennessee Valleys; Critical Fire Weather in the Southwest

Normal First Freeze Information